Home / 73,407,856.60-110,195,765.70-43,132,778.20

Finding the Fourth Proportional to 73,407,856.60, 110,195,765.70 and 43,132,778.20

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Solution

The fourth proportional to 73,407,856.60, 110,195,765.70 and 43,132,778.20 is: 64,748,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,407,856.60 : 110,195,765.70 = 43,132,778.20 : x
  2. Step 2: Convert to fraction form
    73,407,856.60/110,195,765.70 = 43,132,778.20/x
  3. Step 3: Cross multiply
    73,407,856.60x = 110,195,765.70 × 43,132,778.20
  4. Step 4: Simplify right side
    73,407,856.60x = 4,753,049,520,517,268
  5. Step 5: Solve for x
    x = 4,753,049,520,517,268/73,407,856.60
  6. Step 6: Final answer
    x = 64,748,512.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.